Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Leases
Term of lease	12 months		12 months
Weighted-average remaining lease term for operating leases	46 months		46 months
Weighted-average discount rate used for operating leases	6.50%		6.50%
Amounts included in the financial statements related to leases
Operating lease cost	$ 64	$ 12	$ 173	$ 14
Total lease cost	64	12	173	14
Gross sublease income	43	0	143	0
Operating cash flows from operating leases	$ (21)	$ (12)	$ (30)	$ (14)